SwiftUI 豆知識 - よちよち Swift

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1. Megabits @Megabits_mzq

2. Megabits @Megabits_mzq

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4. @Megabits_mzq SwiftUI ⾖知識 SwiftUI 完全に理解した （ではない

5. struct MyAppsView_Previews: PreviewProvider { static var previews: some View {

   MyAppsView() } }
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7. 􀆄 􀥥

8. import PlaygroundSupport struct MainView: View { var body: some View

   { ······ } } PlaygroundPage.current.setLiveView(MainView())
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11. struct MyAppsView_Previews: PreviewProvider { static var previews: some View {

    MyAppsView() } }
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14. struct ContentView_Previews: PreviewProvider { static var previews: some View {

    ContentView() .previewLayout(.sizeThatFits) } }

15. Circle().background(Color.yellow)

16. Circle().background(Color.yellow.brightness(0.5))

17. Circle().background(Color.yellow.brightness(0.5))

18. Circle().background(Color.yellow.saturation(0.3))

19. Circle().background(Color.yellow.saturation(0.3))

20. Circle().background(Color.yellow.saturation(0.3)) Circle().foregroundColor(Color.yellow.saturation(0.3)) 􀆄 􀥥

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22. NavigationView { }

23. NavigationView { }.navigationViewStyle(StackNavigationViewStyle())

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25. struct PopoutAlertView: View { var body: some View { ZStack

    { RoundedRectangle(cornerRadius: 15) .foregroundColor(Color.green) Text(title) .font(.headline) .padding() } } }

26. struct PopoutAlertView: View { var body: some View { ZStack

    { RoundedRectangle(cornerRadius: 15) .foregroundColor(Color.green) .layoutPriority(-1) Text(title) .font(.headline) .padding() } } }
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28. ありがとうございました Twitter My Apps